Safety and Tolerability Study of rBet v1 SLIT Tablets

April 28, 2009 updated by: Stallergenes Greer

Phase I Study to re-Investigate the Safety, Tolerability and Pharmacodynamic Effects of SLIT(Tablets) With Recombinant Bet v1 Given in Single Rising Doses and in Multi Dose Regimens to Subjects Sensitised to Birch Pollen

The purpose of this study is to determine the safety and tolerability of several doses of r Bet v1 administered as sub-lingual tablets in subjects sensitised to birch pollen.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

55

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Denmark
      • Copenhagen, Denmark, 2100
        • National University Hospital - Allergy Unit 4222

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 60 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • written consent
  • Male or female subject from 18 to 60 years old and in general good health
  • For woman of child bearing potential:
  • Symptoms of birch pollen induced allergic rhinitis for at least the last 2 years.
  • Sensitisation to birch pollen as demonstrated with a positive SPT to birch pollen and specific IgE level (birch pollen and r Bet v1) >0.70 kU/L at screening.
  • FEV1 at least of 80% of predicted values at screening.
  • Subject accepting to comply fully with the protocol.

Exclusion Criteria:

  • Past or current disease which as judged by the Investigator, may affect the outcome of this study.
  • History of life-threatening asthma,
  • Asthma requiring daily treatment (whatever the pharmaceutical class).
  • Pregnant or lactating woman.
  • Subject being treated with inhaled steroids within 4 weeks prior to screening visit or within 12 weeks prior to screening visit.
  • Subject who previously received desensitisation treatment to birch pollen and/or other betulaceae (e.g., hazel tree, alder) or who plan to start desensitisation treatment during this study.
  • Symptoms during the treatment phase due to a sensitivity to a second allergen.
  • Subjects treated with ongoing immunotherapy with another allergen

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: 1
Placebo group
Biological: Placebo
Two matching placebo tablets were administered every day over 2 weeks with a 2-day break for the week-end.
Experimental: 2
rBet v 1 tablets
Biological: rBet v 1
Two tablets (1 placebo + 1 rBet v 1 or 2 rBet v 1) were administered every day over 2 weeks with a 2-day break for the week-end. Administered doses ranged from 12.5 to 100 µg rBet v 1.
Other Names:
  • rBet v 1.0101

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Local tolerability
Time Frame: Assessed every day over 2 weeks
Assessed every day over 2 weeks
Global safety
Time Frame: Assessed every day over 2 weeks
Assessed every day over 2 weeks

Secondary Outcome Measures

Outcome Measure
Time Frame
Immunological markers (IgE and IgG4)
Time Frame: Between selection and follow-up visit (up to 18 weeks)
Between selection and follow-up visit (up to 18 weeks)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Stallergenes Greer

Collaborators

Quintiles, Inc.

Investigators

  • Principal Investigator: Hans-Jorgen MALLING, Pr. MD, National University Hospital - Copenhagen - DENMARK

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

  • L. Winther, L.K. Poulsen, B. Robin, M. Mélac, H. Malling Safety and Tolerability of Recombinant Bet v 1 (rBet v 1) Tablets in Sublingual Immunotherapy (SLIT) The Journal of Allergy and Clinical Immunology February 2009 (Vol. 123, Issue 2, Page S215)

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2007

Primary Completion (Actual)

April 1, 2008

Study Completion (Actual)

April 1, 2008

Study Registration Dates

First Submitted

April 28, 2009

First Submitted That Met QC Criteria

April 28, 2009

First Posted (Estimate)

April 29, 2009

Study Record Updates

Last Update Posted (Estimate)

April 29, 2009

Last Update Submitted That Met QC Criteria

April 28, 2009

Last Verified

April 1, 2009

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • VO58.07 DK

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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